src/examples/photocam_example_01.c

   1 //Compile with:
   2 //gcc -o photocam_example_01 photocam_example_01.c -g `pkg-config --cflags --libs elementary` -DPACKAGE_DATA_DIR="\"<directory>\""
   3 //where directory is the path where images/insanely_huge_test_image.jpg can be found.
   4
   5 #include <Elementary.h>
   6
   7 static void _fit(void *data, Evas_Object *obj, void *event_info);
   8 static void _unfit(void *data, Evas_Object *obj, void *event_info);
   9 static void _zoom(void *data, Evas_Object *obj, void *event_info);
  10 static void _bring_in(void *data, Evas_Object *obj, void *event_info);
  11
  12 EAPI_MAIN int
  13 elm_main(int argc, char **argv)
  14 {
  15    Evas_Object *win, *bg, *obj, *photocam;
  16
  17    win = elm_win_add(NULL, "photocam", ELM_WIN_BASIC);
  18    elm_win_title_set(win, "Photocam");
  19    elm_win_autodel_set(win, EINA_TRUE);
  20    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
  21
  22    bg = elm_bg_add(win);
  23    evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  24    elm_win_resize_object_add(win, bg);
  25    evas_object_show(bg);
  26
  27    photocam = elm_photocam_add(win);
  28    elm_photocam_file_set(photocam, PACKAGE_DATA_DIR"/images/insanely_huge_test_image.jpg");
  29    elm_photocam_bounce_set(photocam, EINA_FALSE, EINA_TRUE);
  30    evas_object_smart_callback_add(photocam, "loaded,detail", _bring_in, NULL);
  31    evas_object_resize(photocam, 500, 400);
  32    evas_object_show(photocam);
  33
  34    obj = elm_button_add(win);
  35    elm_object_text_set(obj, "Fit");
  36    evas_object_show(obj);
  37    evas_object_resize(obj, 50, 30);
  38    evas_object_move(obj, 10, 410);
  39    evas_object_smart_callback_add(obj, "clicked", _fit, photocam);
  40
  41    obj = elm_button_add(win);
  42    elm_object_text_set(obj, "Unfit");
  43    evas_object_show(obj);
  44    evas_object_resize(obj, 70, 30);
  45    evas_object_move(obj, 70, 410);
  46    evas_object_smart_callback_add(obj, "clicked", _unfit, photocam);
  47
  48    obj = elm_slider_add(win);
  49    elm_object_text_set(obj, "Zoom");
  50    evas_object_show(obj);
  51    evas_object_resize(obj, 300, 30);
  52    evas_object_move(obj, 150, 410);
  53    evas_object_smart_callback_add(obj, "changed", _zoom, photocam);
  54
  55    evas_object_resize(win, 500, 440);
  56    evas_object_show(win);
  57
  58    elm_run();
  59    elm_shutdown();
  60
  61    return 0;
  62 }
  63 ELM_MAIN()
  64
  65 static void
  66 _bring_in(void *data, Evas_Object *obj, void *event_info)
  67 {
  68    int w, h;
  69    elm_photocam_image_size_get(obj, &w, &h);
  70    elm_photocam_image_region_bring_in(obj, w/2, h/2, 500, 400);
  71 }
  72
  73 static void
  74 _fit(void *data, Evas_Object *obj, void *event_info)
  75 {
  76    int x, y, w, h;
  77    elm_photocam_image_region_get(data, &x, &y, &w, &h);
  78    printf("region: {%d, %d, %d, %d}\n", x, y, w, h);
  79    elm_photocam_zoom_mode_set(data, ELM_PHOTOCAM_ZOOM_MODE_AUTO_FIT);
  80 }
  81
  82 static void
  83 _unfit(void *data, Evas_Object *obj, void *event_info)
  84 {
  85    elm_photocam_zoom_mode_set(data, ELM_PHOTOCAM_ZOOM_MODE_MANUAL);
  86 }
  87
  88 static void
  89 _zoom(void *data, Evas_Object *obj, void *event_info)
  90 {
  91    double z = elm_slider_value_get(obj) * 8;
  92    elm_photocam_zoom_set(data, z);
  93 }